var div_array = new Array("company", "products", "partservice", "dealers");
	
	function changeDiv(the_div, the_change)
	{
		if (document.all) {
			div_string = "window.document.all." + the_div + ".style";			
		} else if (navigator.appName == "Netscape") {
			div_string = "window.document." + the_div;						
		} else {
			alert("This menu won't work with your browser.  Sorry.");
			return;
		}
		the_div = eval(div_string);		
		the_div.visibility = the_change;		
	}
	
	function closeAll()
	{
		for (var loop=0; loop < div_array.length; loop++)
		{
			changeDiv(div_array[loop], "hidden");
		}
	}